Directions: In Question Nos. 1 to 4, choose the correct alternative from the given one which will complete the series.

1. X5C, U8F, ? , O17L, L23O

R12I

P12I

R1OK

Κ1ΟΙ

2. ABBBCCAABBCCCAAAB_ _CCAA ?

BAC

BBA

CCA

BAB

3. 1799, ? , 59, 14, 4, 1.5

299

874

828

624

4. 3, 9, 29, 61, 185, ?

376

371

373

482

5. Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it ?

a_bb_c_aab_bc_caaa_

acacba

acabbc

acabca

abcaac

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